Home / 16,854.39-23,258.90-9,300.87

Finding the Fourth Proportional to 16,854.39, 23,258.90 and 9,300.87

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Solution

The fourth proportional to 16,854.39, 23,258.90 and 9,300.87 is: 12,835.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.39 : 23,258.90 = 9,300.87 : x
  2. Step 2: Convert to fraction form
    16,854.39/23,258.90 = 9,300.87/x
  3. Step 3: Cross multiply
    16,854.39x = 23,258.90 × 9,300.87
  4. Step 4: Simplify right side
    16,854.39x = 216,327,958.74
  5. Step 5: Solve for x
    x = 216,327,958.74/16,854.39
  6. Step 6: Final answer
    x = 12,835.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.